Broken window part

A handy person from Connecticut says:
Hello,
Could you please help me identify the parts I need to putchase to replace the broken part (I hold it in my hand -please see the attached photo).
Also I took I picture of the part on the other side of the window that works properly.

The coil balance is marker with number: 335 J

Thanks,
Natalia
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Thumbnail of the uploaded file named 20230622_153724.jpg
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Lauren from SWISCO responded:

Hi Natalia, thank you for posting! 

Your balance assembly resembles the 15-192 pivot shoe with the S170-335 coil spring. Please review the overall style and dimensions to confirm a good fit! Please note that we have had past customers that had to shave down the bumps on the front of the pivot shoe to fit into the window channel correctly. It might be okay as is, but wanted to inform. 

detail of 15-192
detail of 15-192

Let us know what you think and if you have any additional questions! Please note if the pivot shoe is modified, it is no longer returnable. 

SWISCO S170 and S171 Coil Balance Assembly
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